latest upgrade prices on board -
LHR - SIN - (I have a feeling these are the same prices for any one sector)
M to W £200
W to J £600
J to F £750
LHR - SYD
M to W £400
W to J £700
J to F £900
Not only do the seats have to be available, but we also have to have enough catering as well. Although I have used my discretion in the past, as revenue is revenue!!
HTH